package com.xuan.config;

import at.pollux.thymeleaf.shiro.dialect.ShiroDialect;
import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {

    //ShiroFilterFactoryBean
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager") DefaultWebSecurityManager getDefaultWebSecurityManager){
        ShiroFilterFactoryBean bean=new ShiroFilterFactoryBean();
//设置安全管理器
        bean.setSecurityManager(getDefaultWebSecurityManager);
//添加shiro的内置过滤器
        /*
        * anon:无需认证就可以访问、
        * authc:必须认证了才能让问
        * user:必须拥有记住我功能才能用
        * perms :拥有对某个资源的权限才能访问;roLe:拥有某个角色权限才能访问
        * */
        Map<String,String> filterMap=new HashMap<String,String>();

        //        授权，正常情况下没有授权会跳转到未授权页面
        filterMap.put("/user/add","perms[user:add]");
        filterMap.put("/user/update","perms[user:update]");
        //未授权页面
        bean.setUnauthorizedUrl("/nounth");

//        filterMap.put("/user/add","authc");
//        filterMap.put("/user/update","authc");


        filterMap.put("/user/*","authc");
        bean.setFilterChainDefinitionMap(filterMap);
//        设置登录的请求
        bean.setLoginUrl("/toLogin");
        return bean;
    }


    //DefaultWebSecurityManager  second step
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getDefaultWebSecurityManager(@Qualifier("userRealm") UserRealm userRealm){
        DefaultWebSecurityManager securityManager=new DefaultWebSecurityManager();
//        关联Realm
        securityManager.setRealm(userRealm);
        return securityManager;
    }

    //创建realme 对象 需要自定义  first
    @Bean
    public UserRealm userRealm(){

        return new UserRealm();
    }
    //整合ShiroDialect:用来整合shiro thymeleaf
    @Bean
    public ShiroDialect getshiroDialect(){
        return new ShiroDialect();
    }
}
